用于EagleEye3.0 规则集漏报和误报测试的示例项目,项目收集于github和gitee
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

142 lines
4.7 KiB

#ifndef PERSISTED_RULE_INCLUDED
#define PERSISTED_RULE_INCLUDED
/* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <memory>
#include <string>
#include "my_config.h"
#include "mysql/service_rules_table.h"
#include "nullable.h"
namespace rts = rules_table_service;
/**
@file persisted_rule.h
The facilities for easily manipulating nullable values from a
rules_table_service::Cursor.
*/
/// A rule as persisted on disk.
class Persisted_rule {
public:
/// The rewrite rule's pattern string.
Mysql::Nullable<std::string> pattern;
/// The pattern's current database.
Mysql::Nullable<std::string> pattern_db;
/// The rewrite rule's replacement string.
Mysql::Nullable<std::string> replacement;
/// True if the rule is enabled.
bool is_enabled;
/// The plugin's message, write-only.
Mysql::Nullable<std::string> message;
/// The pattern's digest, write-only.
Mysql::Nullable<std::string> pattern_digest;
/// The normalized pattern, write-only.
Mysql::Nullable<std::string> normalized_pattern;
/**
Constructs a Persisted_rule object that copies all data into the current
heap. The interface is constructed this way due to on some OS'es
(e.g. Windows), every shared library has its own heap.
*/
explicit Persisted_rule(rts::Cursor *c) {
copy_and_set(&pattern, c, c->pattern_column());
copy_and_set(&pattern_db, c, c->pattern_database_column());
copy_and_set(&replacement, c, c->replacement_column());
const char *is_enabled_c = (c->fetch_string(c->enabled_column()));
if (is_enabled_c != NULL && is_enabled_c[0] == 'Y')
is_enabled = true;
else
is_enabled = false;
rts::free_string(is_enabled_c);
}
/// Convenience function, may be called with a const char*.
void set_message(const std::string &message_arg) {
message = Mysql::Nullable<std::string>(message_arg);
}
/// Convenience function, may be called with a const char*.
void set_pattern_digest(const std::string &s) {
pattern_digest = Mysql::Nullable<std::string>(s);
}
/// Convenience function, may be called with a const char*.
void set_normalized_pattern(const std::string &s) {
normalized_pattern = Mysql::Nullable<std::string>(s);
}
/**
Writes the values in this Persisted_rule to the table at the row pointed
to by the cursor. Values that don't have a corresponding column in the
table will be ignored.
*/
bool write_to(rts::Cursor *c) {
c->make_writeable();
set_if_present(c, c->message_column(), message);
set_if_present(c, c->pattern_digest_column(), pattern_digest);
set_if_present(c, c->normalized_pattern_column(), normalized_pattern);
return c->write();
}
private:
/**
Reads from a Cursor and writes to a property of type Nullable<string>
after forcing a copy of the string buffer. The function calls a member
function in Cursor that is located in the server's dynamic library.
*/
void copy_and_set(Mysql::Nullable<std::string> *property, rts::Cursor *c,
int colno) {
const char *value = c->fetch_string(colno);
if (value != NULL) {
std::string tmp;
tmp.assign(value);
*property = tmp;
}
rts::free_string(value);
}
/// Writes a string value to the cursor's column if it exists.
void set_if_present(rts::Cursor *cursor, rts::Cursor::column_id column,
Mysql::Nullable<std::string> value) {
if (column == rts::Cursor::ILLEGAL_COLUMN_ID) return;
if (!value.has_value()) {
cursor->set(column, NULL, 0);
return;
}
const std::string &s = value.value();
cursor->set(column, s.c_str(), s.length());
}
};
#endif // PERSISTED_RULE_INCLUDED